Fieldiana, Popular series, Geology, was published by Field Museum of Natural History, Dept. of Geology as Leaflet (no. 1-4, 1922-1923) and as Geology leaflet (no. 5-14, 1925-1933). The Leaflet series was renamed the Popular series when published by Chicago Natural History Museum for Anthropology, Botany, and Zoology (1947-1959)
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